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Summary of Shares Outstanding Under Share Based Incentive Plans (Detail) - shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Redeemed | (189,964) |
Restricted Share Units (RSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 598,156 | 484,782
Granted | 180,710 | 356,928
Redeemed | (266,876) | (216,820)
Forfeited | (16,822) | (26,734)
Ending balance | 495,168 | 598,156
Performance Share Units (PSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 983,734 | 565,379
Granted | 311,579 | 488,510
Redeemed | (143,659) | (40,515)
Forfeited | (14,983) | (29,640)
Ending balance | 1,136,671 | 983,734
Deferred Share Units (DSUs) [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 104,591 | 77,574
Granted | 14,183 | 27,017
Ending balance | 118,774 | 104,591
Executive Performance Share Units [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [Line Items] |  |
Beginning balance | 189,964 | 288,707
Redeemed | (189,964) | (96,355)
Forfeited |  | (2,388)
Ending balance | 0 | 189,964

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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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